Otake (Nakanoshima)
| Otake | |
|---|---|
| 御岳 | |
 Inside the crater. (May 2007) | |
| Highest point | |
| Elevation | 979 m (3,212 ft) |
| Prominence | 979 m (3,212 ft)  |
| Listing | List of mountains and hills of Japan by height List of volcanoes in Japan |
| Coordinates | 29°51′33″N 129°51′25″E / 29.85917°N 129.85694°E |
| Naming | |
| English translation | honorable mountain |
| Language of name | Japanese |
| Geography | |
 | |
| Location | Nakanoshima, Japan |
| Topo map(s) | Geographical Survey Institute, 25000:1 中之島, 50000:1 中之島 |
| Geology | |
| Rock age | Late Pleistocene-Holocene |
| Mountain type | stratovolcano |
| Volcanic arc/belt | Ryukyu arc |
| Last eruption | October 1944 |
Otake (御岳, O-take) is a stratovolcano[1] in the Tokara Islands of Japan. It is the largest mountain on Nakanoshima, which is part of Toshima in Kagoshima District of Kagoshima Prefecture. Being the largest mountain on a small island, it is also referred to as Nakanoshima.
The mountain is an andesitic volcano. The volcano had a minor mud eruption in January 1914. In October 1949 the summit crater produced an ash cloud.[1][2] The rock of the mountain is non-alkali mafic rock produced in the last 18,000 years.[3]
Sulphur mining took place on the southeast flank until 1944. During the rainy season, the summit crater fills with water.[2]
References
- ^ a b "NAKANO-SHIMA". Quaternary Volcanoes of Japan. Geographical Survey Institute, AIST. 2006. Retrieved 2009-04-24.
- ^ a b "Nakano-shima". Global Volcanism Program. Smithsonian National Museum of Natural History. Retrieved 2009-04-24.
- ^ "Kyushu". Seamless Digital Geological Map of Japan. Geographical Survey of Japan, AIST. 2006. Retrieved 2009-04-24.
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